126242516589 has 32 divisors (see below), whose sum is σ = 196194493440. Its totient is φ = 70711283712.

The previous prime is 126242516557. The next prime is 126242516629. The reversal of 126242516589 is 985615242621.

It is not a de Polignac number, because 126242516589 - 2⁵ = 126242516557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126242516539) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283117 + ... + 576749.

It is an arithmetic number, because the mean of its divisors is an integer number (6131077920).

Almost surely, 2^126242516589 is an apocalyptic number.

It is an amenable number.

126242516589 is a deficient number, since it is larger than the sum of its proper divisors (69951976851).

126242516589 is a wasteful number, since it uses less digits than its factorization.

126242516589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294049.

The product of its digits is 2073600, while the sum is 51.

The spelling of 126242516589 in words is "one hundred twenty-six billion, two hundred forty-two million, five hundred sixteen thousand, five hundred eighty-nine".